EP2111956A2 - Wood treatment agent - Google Patents

Wood treatment agent Download PDF

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Publication number
EP2111956A2
EP2111956A2 EP09001932A EP09001932A EP2111956A2 EP 2111956 A2 EP2111956 A2 EP 2111956A2 EP 09001932 A EP09001932 A EP 09001932A EP 09001932 A EP09001932 A EP 09001932A EP 2111956 A2 EP2111956 A2 EP 2111956A2
Authority
EP
European Patent Office
Prior art keywords
alcohol
woodworking
agent according
mass
percent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09001932A
Other languages
German (de)
French (fr)
Other versions
EP2111956A3 (en
Inventor
Daniel Ludewig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LCM GmbH
Original Assignee
LCM GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LCM GmbH filed Critical LCM GmbH
Publication of EP2111956A2 publication Critical patent/EP2111956A2/en
Publication of EP2111956A3 publication Critical patent/EP2111956A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/006—Trimming, chamfering or bevelling edgings, e.g. lists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/10—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M105/12—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms monohydroxy
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/0215—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/36—Release agents or mold release agents

Definitions

  • the invention relates to a woodworking means according to the preamble of claim 1.
  • Corresponding means are used in the edge processing of wood.
  • edge processing the edge of a wood workpiece is glued or glued with an edge band made of aluminum, wood, plastic or the like.
  • edge band made of aluminum, wood, plastic or the like.
  • Woodworking agents with aqueous alcoholic solutions and, if appropriate, with additional surfactants are used for this purpose, but they have disadvantages in handling.
  • Object of the present invention is therefore to provide a further woodworking means of the type mentioned, which is suitable for the applications mentioned and is relatively inexpensive to manufacture.
  • the woodworking agent comprises two different alcohols, the mass fraction is at least 90%. Additives such as water can be dispensed with.
  • the woodworking agent according to the invention consists of 100% of the two alcohols and may optionally contain a small proportion of dye.
  • the woodworking agent according to the invention is particularly suitable for use in edge processing. It can be used as a coolant to accelerate the curing of the adhesive or glue used, with which the edge band is attached to the edge of the wood.
  • an ethyl alcohol is preferably provided as a first alcohol in a proportion of 75 to 95 percent by mass and an isopropyl alcohol in a proportion of 5 to 25 percent by mass as the second alcohol. Possibly.
  • This mixture can be mixed with a dye that dissolves in alcohol.
  • a dye may be added in a small amount.
  • the coolant then preferably has the following composition:
  • the woodworking agent according to the invention can also serve as a protective agent which prevents contamination or impurities in the woodworking machine, so as to obtain a clean workpiece.
  • the protective agent to prevent possible damage to the edge band is preferably sprayed directly on this.
  • it can also be placed on the pressure roller of the woodworking machine, whereby the adhesion of the glue or adhesive is avoided on the pressure roller.
  • the protective means is absorbed by the edge of the workpiece and can thus be transferred to the sliding blocks of the woodworking machine. The protective agent thus prevents contamination in the woodworking machine, at the same time so the workpiece is protected during processing.
  • the woodworking agent according to the invention therefore has a first alcohol Ethyl alcohol in a proportion of 75 to 95 percent by mass and a polyethylene glycol in a proportion of 5 to 25 percent by mass as a second alcohol. Possibly.
  • This mixture can be mixed with a dye that dissolves in alcohol.
  • the protective agent then has the following composition:

Abstract

A wood processing agent is made of 90 wt.% of two alcohols and a dye. 75-95 wt.% of former alcohol and 5-25 wt.% of latter alcohol are used. The former alcohol is different from the latter alcohol.

Description

Die Erfindung betrifft ein Holzbearbeitungsmittel nach dem Oberbegriff des Anspruchs 1.The invention relates to a woodworking means according to the preamble of claim 1.

Entsprechende Mittel kommen bei der Kantenbearbeitung von Holz zum Einsatz. Bei der Kantenbearbeitung wird die Kante eines Holzwerkstücks mit einem Kantenband aus Aluminium, Holz, Kunststoff oder dergleichen verklebt bzw. verleimt. Zum einen besteht das Problem, daß das Werkstück nach dem Aufbringen und Andrücken des Kantenbandes erst weiterverarbeitet werden kann, wenn der Klebstoff vollständig ausgehärtet ist. Zum anderen sollen Beschädigungen und Verunreinigungen am Werkstück vermieden werden. Hiergegen werden Holzbearbeitungsmittel mit wässrigen alkoholischen Lösungen und ggf. mit zusätzlichen Tensiden eingesetzt, die jedoch bei der Handhabung Nachteile aufweisen.Corresponding means are used in the edge processing of wood. In edge processing, the edge of a wood workpiece is glued or glued with an edge band made of aluminum, wood, plastic or the like. On the one hand there is the problem that the workpiece after application and pressing the edge band can only be further processed when the adhesive is completely cured. On the other hand, damage and contamination on the workpiece should be avoided. Woodworking agents with aqueous alcoholic solutions and, if appropriate, with additional surfactants are used for this purpose, but they have disadvantages in handling.

Aufgabe der vorliegenden Erfindung ist es daher, ein weiteres Holzbearbeitungsmittel der eingangs genannten Art anzugeben, welches sich für die genannten Anwendungszwecke eignet und relativ preisgünstig herzustellen ist.Object of the present invention is therefore to provide a further woodworking means of the type mentioned, which is suitable for the applications mentioned and is relatively inexpensive to manufacture.

Gelöst wird diese Aufgabe mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausführungsformen finden sich in den Unteransprüchen. Vorteilhafte Verwendungen finden sich in den Ansprüchen 10 und 11.This problem is solved by the features of claim 1. Advantageous embodiments can be found in the subclaims. Advantageous uses can be found in claims 10 and 11.

Erfindungsgemäß ist vorgesehen, daß das Holzbearbeitungsmittel zwei verschiedene Alkohole aufweist, deren Massenanteil mindestens 90% beträgt. Auf Zusatzstoffe wie Wasser kann so verzichtet werden. Bevorzugt besteht das erfindungsgemäße Holzbearbeitungsmittel zu 100% aus den beiden Alkoholen und kann ggf. einen kleinen Anteil Farbstoff beinhalten.According to the invention it is provided that the woodworking agent comprises two different alcohols, the mass fraction is at least 90%. Additives such as water can be dispensed with. Preferably, the woodworking agent according to the invention consists of 100% of the two alcohols and may optionally contain a small proportion of dye.

Das erfindungsgemäße Holzbearbeitungsmittel eignet sich besonders für den Einsatz bei der Kantenbearbeitung. Dabei kann es als Kühlmittel verwendet werden, um das Aushärten des verwendeten Klebers oder Leims, mit welchem das Kantenband an der Holzkante befestigt ist, zu beschleunigen. Hierzu ist bevorzugt ein Ethylalkohol als erster Alkohol mit einem Anteil von 75 bis 95 Massenprozent und ein Isopropylalkohol mit einem Anteil von 5 bis 25 Massenprozent als zweiter Alkohol vorgesehen. Ggf. kann dieser Mischung noch ein Farbstoff beigemischt sein, der sich in Alkohol löst.The woodworking agent according to the invention is particularly suitable for use in edge processing. It can be used as a coolant to accelerate the curing of the adhesive or glue used, with which the edge band is attached to the edge of the wood. For this purpose, an ethyl alcohol is preferably provided as a first alcohol in a proportion of 75 to 95 percent by mass and an isopropyl alcohol in a proportion of 5 to 25 percent by mass as the second alcohol. Possibly. This mixture can be mixed with a dye that dissolves in alcohol.

Eine besonders vorteilhafte Zusammensetzung ist in der folgenden Tabelle als erstes Ausführungsbeispiel wiedergegeben:A particularly advantageous composition is shown in the following table as a first embodiment:

Ausführungsbespiel 1Execution example 1

Bestandteilcomponent Anteil (Massenprozent)Proportion (mass percentage) Ethylalkoholethyl alcohol 90,000090.0000 Isopropylalkoholisopropyl alcohol 10,000010,0000

Gegebenenfalls kann ein Farbstoff in geringer Menge hinzugesetzt werden. Bevorzugt weist das Kühlmittel dann folgende Zusammensetzung auf:Optionally, a dye may be added in a small amount. The coolant then preferably has the following composition:

Ausführungsbeispiel 2Embodiment 2

Bestandteilcomponent Anteil (Massenprozent)Proportion (mass percentage) Ethylalkoholethyl alcohol 89,999989.9999 Isopropylalkoholisopropyl alcohol 10,000010,0000 Farbstoffdye 0,00010.0001

Neben der Verwendung des erfindungsgemäßen Holzbearbeitungsmittels als Kühlmittel kann es auch als Schutzmittel dienen, welches Verschmutzungen bzw. Verunreinigungen in der Holzbearbeitungsmaschine verhindert, so daß man ein sauberes Werkstück erhält. Hierzu wird das Schutzmittel zur Vorbeugung von eventuellen Beschädigungen auf dem Kantenband bevorzugt direkt auf dieses versprüht. Gleichzeitig kann es auch auf die Andrückrolle der Holzbearbeitungsmaschine gebracht werden, wodurch das Anhaften des Leimes oder Klebers an der Andrückrolle vermieden wird. Zudem wird das Schutzmittel von der Kante des Werkstücks aufgenommen und kann damit auch auf die Gleitschuhe der Holzbearbeitungsmaschine übertragen werden. Durch das Schutzmittel werden so Verunreinigungen in der Holzbearbeitungsmaschine vermieden, gleichzeitig wird so das Werkstück bei der Bearbeitung geschont.In addition to the use of the woodworking agent according to the invention as a coolant, it can also serve as a protective agent which prevents contamination or impurities in the woodworking machine, so as to obtain a clean workpiece. For this purpose, the protective agent to prevent possible damage to the edge band is preferably sprayed directly on this. At the same time it can also be placed on the pressure roller of the woodworking machine, whereby the adhesion of the glue or adhesive is avoided on the pressure roller. In addition, the protective means is absorbed by the edge of the workpiece and can thus be transferred to the sliding blocks of the woodworking machine. The protective agent thus prevents contamination in the woodworking machine, at the same time so the workpiece is protected during processing.

Für den Einsatz als Schutzmittel weist das erfindungsgemäße Holzbearbeitungsmittel daher als ersten Alkohol einen Ethylalkohol mit einem Anteil von 75 bis 95 Massenprozent und ein Polyethylenglykol mit einem Anteil von 5 bis 25 Massenprozent als zweiten Alkohol auf. Ggf. kann dieser Mischung noch ein Farbstoff beigemischt sein, der sich in Alkohol löst.For use as a protective agent, the woodworking agent according to the invention therefore has a first alcohol Ethyl alcohol in a proportion of 75 to 95 percent by mass and a polyethylene glycol in a proportion of 5 to 25 percent by mass as a second alcohol. Possibly. This mixture can be mixed with a dye that dissolves in alcohol.

Eine besonders vorteilhafte Zusammensetzung ist in der folgenden Tabelle als drittes Ausführungsbeispiel wiedergegeben:A particularly advantageous composition is shown in the following table as a third embodiment:

Ausführungsbespiel 3Execution example 3

Bestandteilcomponent Anteil (Massenprozent)Proportion (mass percentage) Ethylalkoholethyl alcohol 90,000090.0000 Polyethylenglykolpolyethylene glycol 10,000010,0000

Ggf. kann ein Farbstoff in geringer Menge hinzugesetzt werden. Bevorzugt weist das Schutzmittel dann folgende Zusammensetzung auf:Possibly. For example, a small amount of dye may be added. Preferably, the protective agent then has the following composition:

Ausführungsbeispiel 4Embodiment 4

Bestandteilcomponent Anteil (Massenprozent)Proportion (mass percentage) Ethylalkoholethyl alcohol 89,999989.9999 Polyethylenglykolpolyethylene glycol 10,000010,0000 Farbstoffdye 0,00010.0001

Claims (11)

Holzbearbeitungsmittel auf Alkoholbasis, wobei ein erster Alkohol und ein vom ersten Alkohol verschiedener zweiter Alkohol vorgesehen ist,
dadurch gekennzeichnet,
daß der Massenanteil des Alkohols im Holbearbeitungsmittel mindestens 90 Massenprozent beträgt.Alcohol-based woodworking agents, wherein a first alcohol and a second alcohol other than the first alcohol are provided,
characterized,
in that the mass fraction of the alcohol in the working medium is at least 90% by mass. Holzbearbeitungsmittel nach Anspruch 1,
dadurch gekennzeichnet,
daß es nur aus Alkohol besteht.Woodworking agent according to claim 1,
characterized,
that it consists only of alcohol. Holzbearbeitungsmittel nach Anspruch 1,
dadurch gekennzeichnet,
daß es nur aus Alkohol und einem Farbstoff besteht.Woodworking agent according to claim 1,
characterized,
that it consists only of alcohol and a dye. Holzbearbeitungsmittel nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet,
daß der erste Alkohol mit einem Massenanteil zwischen 75 und 95 Massenprozent enthalten ist und der zweite Alkohol mit einem Massenanteil von 5 bis 25 Massenprozent enthalten ist.Woodworking agent according to one of the preceding claims,
characterized,
that the first alcohol is contained in a mass fraction of between 75 and 95 percent by mass and the second alcohol is present in a mass fraction of 5 to 25 percent by mass. Holzbearbeitungsmittel nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet,
daß der Anteil des ersten Alkohols etwa 90 Massenprozent beträgt.Woodworking agent according to one of the preceding claims,
characterized,
that the proportion of the first alcohol is about 90 mass percent. Holzbearbeitungsmittel nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet,
daß der Anteil des zweiten Alkohols etwa 10 Massenprozent beträgt.Woodworking agent according to one of the preceding claims,
characterized,
that the proportion of the second alcohol is about 10 mass percent. Holzbearbeitungsmittel nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet,
daß der erste Alkohol ein Ethylalkohol ist.Woodworking agent according to one of the preceding claims,
characterized,
that the first alcohol is an ethyl alcohol. Holzbearbeitungsmittel nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet,
daß der zweite Alkohol ein Isopropyalkohol ist.Woodworking agent according to one of the preceding claims,
characterized,
that the second alcohol is an isopropyl alcohol. Holzbearbeitungsmittel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet,
daß der zweite Alkohol ein Polyethylenglykol ist.Woodworking agent according to one of claims 1 to 7, characterized
that the second alcohol is a polyethylene glycol. Verwendung eines Holzbearbeitungsmittels nach einem der Ansprüche 1 bis 8 als Kühlmittel zur Beschleunigung des Aushärtens von Leim oder Kleber bei der Verbindung eines Holzwerkstücks und eines Kantenbandes.Use of a woodworking agent according to any one of claims 1 to 8 as a coolant for accelerating the curing of glue or adhesive in the connection of a wood workpiece and an edge band. Verwendung eines Holzbearbeitungsmittels nach einem der Ansprüche 1 bis 7 oder 9 als Schutzmittel zur Verringerung von Verunreinigungen auf Holzwerkstücken, Kantenbändern oder Holbearbeitungseinrichtungen zum Aufbringen auf Andruckrollen oder/und Gleitschuhe von Holzbearbeitungsmaschinen und/oder Benetzen von Holzwerkzeugen, Holzwerkstücken oder/und Kantenbändern.Use of a woodworking agent according to one of claims 1 to 7 or 9 as protection means for reducing contamination on wood workpieces, edge bands or Holbearbeitungseinrichtungen for application to pressure rollers and / or sliding shoes of woodworking machinery and / or wetting wood tools, wood workpieces and / or edgebandings.
EP09001932A 2008-03-27 2009-02-12 Wood treatment agent Withdrawn EP2111956A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008015946A DE102008015946A1 (en) 2008-03-27 2008-03-27 Woodworking means

Publications (2)

Publication Number Publication Date
EP2111956A2 true EP2111956A2 (en) 2009-10-28
EP2111956A3 EP2111956A3 (en) 2009-12-09

Family

ID=40765708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09001932A Withdrawn EP2111956A3 (en) 2008-03-27 2009-02-12 Wood treatment agent

Country Status (2)

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EP (1) EP2111956A3 (en)
DE (1) DE102008015946A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015016904A1 (en) * 2015-05-28 2016-12-01 Michael Karau Method for fastening strip-shaped fabrics, in particular edge strips on narrow sides of workpieces
EP3187320B1 (en) * 2015-12-29 2020-04-15 Michael Karau Method for fixing strips of fabrics, in particular edge tapes on the narrow sides of workpieces

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2123738A2 (en) 2008-01-29 2009-11-25 Riepe, Angelika Separating agent

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US4643773A (en) * 1984-03-09 1987-02-17 A. E. Staley Manufacturing Company Crystallization of fructose utilizing a mixture of alcohols
DE10152728A1 (en) * 2001-10-25 2003-05-15 Fraunhofer Ges Forschung Wood preservatives
US7138226B2 (en) * 2002-05-10 2006-11-21 The University Of Miami Preservation of RNA and morphology in cells and tissues
DE10343441B3 (en) * 2003-09-19 2005-05-04 Angelika Riepe Use of a liquid lubricant comprising an aqueous-alcoholic polyglycol solution in laminating the edges of board, especially furniture board
EP1689422A1 (en) * 2003-11-26 2006-08-16 Universität Bern Plant extracts for the treatment of increased bone resorption
DE102006009940A1 (en) * 2006-03-03 2007-09-06 Riepe, Angelika Liquid release agent

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EP2123738A2 (en) 2008-01-29 2009-11-25 Riepe, Angelika Separating agent

Non-Patent Citations (1)

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Title
LCM GMBH: "Ludewig Chemische Mittel, Produkte für die Möbeli...", pages 1, XP003028067, Retrieved from the Internet <URL:http://www.lcm-gmbh.de/index.php?id=products>

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015016904A1 (en) * 2015-05-28 2016-12-01 Michael Karau Method for fastening strip-shaped fabrics, in particular edge strips on narrow sides of workpieces
WO2016188847A1 (en) * 2015-05-28 2016-12-01 Michael Karau At least temporary, sprayable, noncorrosive functional surface coating
EP3187320B1 (en) * 2015-12-29 2020-04-15 Michael Karau Method for fixing strips of fabrics, in particular edge tapes on the narrow sides of workpieces

Also Published As

Publication number Publication date
DE102008015946A1 (en) 2009-10-01
EP2111956A3 (en) 2009-12-09

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